Sound generator



FIG. 1 is a top front perspective view of the invention thereof;

FIG. 2 is a top rear perspective view of FIG. 1;

FIG. 3 is a left side view of FIG. 1;

FIG. 4 is a right side view of FIG. 1;

FIG. 5 is a front view of FIG. 1;

FIG. 6 is a rear view of FIG. 1;

FIG. 7 is a top view of FIG. 1; and,

FIG. 8 is a bottom view of FIG. 1. 

The ornamental design for a sound generator, as shown. 